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Matches 1 - 50 out of 8,084

Document Document Title
WO/2020/010635A1
Disclosed are a hydraulic control system and method for a large-angle slewing mechanism. The large-angle slewing mechanism comprises multiple hydraulic cylinders, with output ends of the multiple hydraulic cylinders being pivotally conne...  
WO/2020/011971A1
A method for monitoring the condition of a hydraulic system of a metal forming plant (1) is presented, wherein the hydraulic system is coupled to or provided with a pump (2) which can be driven by a drive motor (3) for providing a workin...  
WO/2020/011959A1
A hydraulic system (1, 50) for a load handling vehicle comprises lifting actuator (2, C1) that operates in a load lifting mode in which a load is induced on the actuator, and a load lowering mode in which the actuator provides hydraulic ...  
WO/2020/003190A1
The present invention concerns an attenuation device (1) of the fluid flow pulsation along a duct of a hydraulic circuit connected with a hydraulic machine, comprising at least an attenuation module (3) passed through by a pass-through d...  
WO/2019/237190A1
An automatic door opening and/or closing system for automatically opening and/or closing a door in response to motion towards or away from the door is provided. Momentum of the body moving toward or away from the door may power the openi...  
WO/2019/238946A1
The present disclosure relates to a hydraulic circuit (100), comprising: a hydraulic displacement unit (1) for driving an implement; a hydraulic machine (9) fluidly connected or selectively fluidly connected with the hydraulic displaceme...  
WO/2019/240133A1
Provided is a work machine with which the responsiveness of a hydraulic actuator can be improved when driving the hydraulic actuator via an electric lever-type operation device. In the present invention, a controller 100 further has: an ...  
WO/2019/235940A1
The invention broadly relates to a pneumatic pumping system to pump at least one fluid from one location to another and, in some forms, to mix fluids together. The system comprises a programmable electronic controller, a data source, a p...  
WO/2019/231356A1
The technical solution relates to shut-off valve devices and is intended for starting and shutting off a fluid medium flow in a pipeline. The solution can be used industrially in pipeline transport systems, and domestically. A gate valve...  
WO/2019/224360A1
A ripple damper (10) for an aircraft hydraulic system is disclosed. The ripple damper (10) comprises a hollow, substantially spherical body (20) formed of first (34) and second (36) body portions the adjoining surfaces of which are conne...  
WO/2019/219801A1
This method is used to manage a pressure accumulator (1) as a component of an energy storage system, consisting of a work machine (4), a collecting tank (7), a displacement apparatus (6) and a pressure accumulator (1) for storing a press...  
WO/2019/214903A1
A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing (2) which surrounds a damping chamber (10) and has at l...  
WO/2019/210341A1
The invention relates to a hydraulic system, more particularly for a lifting device, comprising: - at least one piston-cylinder assembly (1) for applying a force to at least one movable component, the at least one piston-cylinder assembl...  
WO/2019/211084A1
The invention relates to a damping device for fluids affected by pressure pulsations, comprising at least one hydraulic reservoir (2), the reservoir housing (4, 6) of which contains a movable separating element (18), which separates a ga...  
WO/2019/202998A1
The purpose of the present invention is to quantitatively or qualitatively monitor bubbles included in hydraulic oil. This system for monitoring hydraulic oil is provided with: an image data obtainment unit (51) which obtains image data ...  
WO/2019/201374A1
The invention relates to a clutch slave cylinder (1) having a line (2) for supplying hydraulic medium from a clutch master cylinder or a pump, having a venting valve (3) in one of the components, wherein the venting valve (3) is held in ...  
WO/2019/198579A1
Provided is a low cost fluid pressure circuit which can, using a fixed displacement pump, smoothly control a fluid pressure actuator in response to an operation command, and which can effectively use energy. A fluid circuit (130) is prov...  
WO/2019/195351A1
A linear actuator system includes a linear actuator including an outer body, an inner body disposed within the outer body, a fluid chamber at least partially extending between the inner body and the outer body, a piston chamber extending...  
WO/2019/186483A1
A pressure regulator comprises an outlet pressure sensor (16), a loading electromagnetic valve (18), an unloading electromagnetic valve (20) and a regulator control circuit (30) operatively connected to the loading electromagnetic valve ...  
WO/2019/177279A1
An electrohydraulic control device for a construction machine comprises: a control valve, installed in a hydraulic line between a hydraulic pump and an actuator, for controlling an operation of the actuator according to the amount of dis...  
WO/2019/173227A1
Hydraulically-amplified, self-healing, electrostatic transducers that harness electrostatic and hydraulic forces to achieve various actuation modes. Electrostatic forces between electrode pairs of the transducers generated upon applicati...  
WO/2019/171547A1
Provided is a work machine capable of regenerating power from return hydraulic oil from a hydraulic actuator, and capable of preventing an increase in drag loss in a hydraulic pump and a regenerative hydraulic motor, and a decrease in th...  
WO/2019/163990A1
This hydraulic system is provided with: a running motor; a running pump connected to the running motor to form a closed-loop and driven by an engine; a working pump that is driven by the engine, suctioning suctions hydraulic oil from a t...  
WO/2019/130451A1
The purpose of the invention is to allow operability to be improved by controlling speed variations of an actuator into which a reclaimed flow flows regardless of fluctuations in the reclaimed flow due to changes in the orientation of a ...  
WO/2019/126095A1
In an exemplary method of monitoring performance of a fluid driven actuator for a valve, pressurized fluid is supplied through an actuator supply line to an inlet port of the actuator during a first time period to operate the actuator. C...  
WO/2019/115045A1
The invention relates to a compressed-air system (1) for a commercial vehicle and to a method for controlling same. Electropneumatic valves (16, 18) are controlled by at least one first electrical control signal (S1) and a second electri...  
WO/2019/115028A1
The invention relates to a compressed-air supply system for operating a pneumatic installation in a pneumatic system of a vehicle, comprising: a compressed-air feed; a compressed-air connection point to the pneumatic installation; a vent...  
WO/2019/107602A1
The present invention relates to an electrohydraulic valve actuator and, more particularly, to an electrohydraulic valve actuator having a vibration reduction device, which includes a packing between a housing and a control unit board an...  
WO/2019/108628A1
Various implementations include a fluidic oscillator having at least one control port. The at least one control port is for introducing a control fluid into the fluidic oscillator or suctioning the fluid stream from the fluidic oscillato...  
WO/2019/101601A1
The invention relates to an actuator device comprising at least one solid-state actuator (130) and a hydraulic unit (120) connected mechanically to the solid-state actuator (130) in series, wherein said hydraulic unit (120) comprises a h...  
WO/2019/101603A1
The invention relates to a switching device which comprises at least one electrical switching contact (60) and an actuator assembly (AE) designed for clamping and having a solid-state actuator (130) and a hydraulic unit (120) that is mec...  
WO/2019/103896A1
The tool assembly 10 vibrates a casing string or drill string in a wellbore. The tool assembly 10 includes a housing 20, an insert 30 mounted in the housing as a fluidic agitator, and a cover 26 fitted over the insert. The insert include...  
WO/2019/098116A1
A drive system for construction machinery comprising a control device that controls a fuel injection valve so that the actual engine speed is a set speed, a hydraulic circuit that includes a boom cylinder to which hydraulic fluid is supp...  
WO/2019/091553A1
The invention relates to a hydraulic system comprising a plurality of hydraulic units (1), which each have at least one hydraulic consumer (2) in each case having a first hydraulic connection (3) and a second hydraulic connection (4); a ...  
WO/2019/089487A1
A technique facilitates wellbore operations and utilization of wellbore equipment, e.g. equipment comprising actuation devices for downhole tools. According to an embodiment, the system comprises a pump solution for an electrically contr...  
WO/2019/083422A1
Air-drying device (1) for dehumidifying air, gas, gases or the like in containers in hydraulic systems in which a variable volume of liquid and air, gas or the like is stored. The air-drying device (1) comprising at least one cooling dry...  
WO/2019/076621A1
The invention relates to an air preparation device (1; 1') for motor vehicles with at least a first compressed air connector (2.1) and a second compressed air connector (2.2), and a first air preparation component (3.1), and a second air...  
WO/2019/072930A1
This valve (1) is intended to be mounted on a base for the purpose of controlling the distribution of a fluid, and comprises a housing (2) and a plurality of orifices (0), these orifices (0) being intended for the inflow or the outflow o...  
WO/2019/072715A1
The invention relates to an electrohydraulic system (7) with a hydraulic load (86) and at least one closed hydraulic circuit (42). The hydraulic circuit (42) comprises at least one control means (85), a hydraulic machine (25; 55), and a ...  
WO/2019/067202A1
Systems and methods may be provided to digitally control both position and crossover pressure in a double-acting pneumatic actuator, in view of constraints (e.g., a deadband range comprising a set point) set on the crossover pressure. Co...  
WO/2019/060136A1
A closed-loop hydraulic circuit (164) associated with a swing mechanism (105) of a machine is controlled to obtain both a pressure control during acceleration and deceleration of the swing mechanism (105) and a velocity control during co...  
WO/2019/058905A1
Provided is a parameter estimation method by which a physical quantity affecting the dynamic characteristics of a hydraulic system is estimated as a parameter, and which can be widely applied. This method is provided with: a step for sel...  
WO/2019/052872A1
The invention relates to a filter assembly, in particular functioning as a portable service assembly for hydraulic applications, at least consisting of a motor-pump unit (8), which is connected to a filter element (18) by an outlet (14) ...  
WO/2019/054365A1
This hydraulic drive system for a construction machine comprises: a boom control valve that is coupled to a boom cylinder by a boom lifting supply line and a boom lowering supply line; a pump that takes in a working oil through an intake...  
WO/2019/054366A1
This hydraulic drive system for a construction machine comprises: a bidirectionally tiltable pump connected to a turning motor; a regulator that adjusts the tilting angle of the bidirectionally tiltable pump; a main pump coupled to the b...  
WO/2019/049435A1
In the present invention a hydraulic circuit (11) in a hydraulic shovel (1) comprises: a main hydraulic circuit (11A) that includes a boom cylinder (5D); a pilot hydraulic circuit (11B) for operating the boom cylinder (5D); and an oil re...  
WO/2019/049434A1
A fluid circuit (10) for air cylinders is provided with a switching valve (14), an air supply source (16), an exhaust port (18), and a check valve (20). When the switching valve is in a first position, one cylinder chamber (32) is connec...  
WO/2019/049436A1
According to the present invention, a controller (45) is provided with: an elapsed time measurement unit (47A) which, by means of a reset signal from a reset switch (44), measures the time (tx) elapsed since the initial use of an accumul...  
WO/2019/046927A1
The application of fluidic systems to a variety of consumer devices would typically exploit fluidic structures of a few millimeters to a centimeter or so that are between the common fluidic realms of microfluidics and macrofluidics. For ...  
WO/2019/044808A1
A cylinder device (C1) according to the present invention comprises: a cylinder (2); a rod (4) inserted into the cylinder (2); a piston (3) that is slidably inserted into the cylinder (2), is connected to the rod (4) and partitions the i...  

Matches 1 - 50 out of 8,084